Home / 6,802.12-10,204.15-2,122.55

Finding the Fourth Proportional to 6,802.12, 10,204.15 and 2,122.55

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Solution

The fourth proportional to 6,802.12, 10,204.15 and 2,122.55 is: 3,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.12 : 10,204.15 = 2,122.55 : x
  2. Step 2: Convert to fraction form
    6,802.12/10,204.15 = 2,122.55/x
  3. Step 3: Cross multiply
    6,802.12x = 10,204.15 × 2,122.55
  4. Step 4: Simplify right side
    6,802.12x = 21,658,801.03
  5. Step 5: Solve for x
    x = 21,658,801.03/6,802.12
  6. Step 6: Final answer
    x = 3,184.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.